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Author Question: A test on world history was given to a group of individuals before and also after a film on the ... (Read 94 times)

Drewster127

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on: Mar 25, 2023

A test on world history was given to a group of individuals before and also after a film on the history of the world was presented. The results are given below. We want to determine if the film significantly increased the test scores. (For the following matched samples, let the difference "d" be d = after - before.)

Individual

After

Before

1

92

86

2

86

88

3

89

84

4

90

90

5

93

85

6

88

90

7

97

91


a.Give the hypotheses for this problem.
b.Compute the test statistic.
c.At 95% confidence, test the hypotheses.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by Drewster127 on Mar 25, 2023

gwisel

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Reply #1 on: Mar 25, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Drewster127

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Reply 2 on: Mar 25, 2023
Excellent

parshano

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Reply 3 on: Yesterday
:D TYSM

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